Mineral Resources
Online Spatial Data
Basement domains of the conterminous US and Alaska
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Nyac
Basement domain in the Alaska
Geologic information
Region
Alaska
Crust
Type:
Oceanic arc
Formation age:
170-110 Ma
Accretion
Type:
Collisional
Age:
135-110 Ma
Notes
Walrus arc
Geographic extent
Bethel
Bibliographic references
Box, S.E., Moll-Stalcup, E.J., Frost, T.P., and Murphy, J.M., 1993, Preliminary geologic map of the Bethel and southern Russian Mission quadrangles, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map M-2226–A, scale 1:250,000, 20 p.
Decker, John, Bergman, S.C., Blodgett, R.B., Box, S.E., Bundtzen, T.K., Clough, J.G., Coonrad, W.L., Gilbert, W.G., Miller, M.L., Murphy, J.M., Robinson, M.S., and Wallace, W.K., 1994, Geology of southwestern Alaska, in Plafker, George, and Berg, H.C., eds., The geology of Alaska: Geological Society of America Geology of North America, v. G-1, p. 285–310.
Wenz, Z.J., 2005, An investigation of the geology and gold mineralization in the Nyac District, southwest Alaska: Bureau of Land Management Alaska Open-File Report 103, 156 p.
